The Bollé© One® Standard Helmet is fantastically ventilated with 31 inlets. The One® helmet is also perfectly designed to hold your sunglasses in its 'Sunglasses Garage' if you remove them during your ride. With a focus on safety, The One® features a Bollé exclusive SAFETY QR Code and a specially-designed BOLLÉ LED. Its Click-to-Fit™ System ensures a perfect adjustable fit and its interchangeable winter and summer linings allow for year-round use. Complete with a detachable visor for mountain biking, The One® offers you everything you need in a cycling helmet.

The Bolle One Premium Helmet is completely aerodynamic with its removable aero shells, The One is also perfectly designed to hold your sunglasses in its Sunglasses Garage™ if you remove them during your ride. With a focus on safety, The One® features a Bolle© exclusive SAFETY QR Code and a specially-designed BOLLE LED. Its Click-to-Fit System ensures a perfect adjustable fit and its interchangeable winter and summer linings allow for year-round use. Complete with a detachable visor for mountain biking, The One® offers you everything you need in a cycling helmet.

The Bolle One Premium Helmet is completely aerodynamic with its removable aero shells, The One is also perfectly designed to hold your sunglasses in its Sunglasses Garage™ if you remove them during your ride. With a focus on safety, The One® features a Bolle© exclusive SAFETY QR Code and a specially-designed BOLLE LED. Its Click-to-Fit System ensures a perfect adjustable fit and its interchangeable winter and summer linings allow for year-round use. Complete with a detachable visor for mountain biking, The One® offers you everything you need in a cycling helmet.

The Bolle One Premium Helmet is completely aerodynamic with its removable aero shells, The One is also perfectly designed to hold your sunglasses in its Sunglasses Garage™ if you remove them during your ride. With a focus on safety, The One® features a Bolle© exclusive SAFETY QR Code and a specially-designed BOLLE LED. Its Click-to-Fit System ensures a perfect adjustable fit and its interchangeable winter and summer linings allow for year-round use. Complete with a detachable visor for mountain biking, The One® offers you everything you need in a cycling helmet.

The Bolle One Premium Helmet is completely aerodynamic with its removable aero shells, The One is also perfectly designed to hold your sunglasses in its Sunglasses Garage™ if you remove them during your ride. With a focus on safety, The One® features a Bolle© exclusive SAFETY QR Code and a specially-designed BOLLE LED. Its Click-to-Fit System ensures a perfect adjustable fit and its interchangeable winter and summer linings allow for year-round use. Complete with a detachable visor for mountain biking, The One® offers you everything you need in a cycling helmet.

The Bolle One Premium Helmet is completely aerodynamic with its removable aero shells, The One is also perfectly designed to hold your sunglasses in its Sunglasses Garage™ if you remove them during your ride. With a focus on safety, The One® features a Bolle© exclusive SAFETY QR Code and a specially-designed BOLLE LED. Its Click-to-Fit System ensures a perfect adjustable fit and its interchangeable winter and summer linings allow for year-round use. Complete with a detachable visor for mountain biking, The One® offers you everything you need in a cycling helmet.

A model for mountain bike riders. All the technologies of the One Standard: Sunglasses Garage, Click-to-Fit System, Bollé exclusive Safety QR code, LED, winter and summer lining and detachable visor with more lively graphics and colours